*{
    margin: 0;
    padding: 0;
}
html{
    width:100%;
    height:100%;
    margin: 0;
    padding: 0;
}


.main{
    width: 700px;
    height: 400px;
    display: flex;
    margin:auto ;
    justify-content: center;
    position: relative;
    /*top: 10%; !*偏移*!*/
    transform: translateY(20%);
}
.logo{
    flex: 4;
    background: url("../img/logo.jpg") no-repeat center center;
    background-size:100% 100%;
    display:inline-block;
}

.submitlogininfo{
    flex: 3;

    height: 400px;
    /*background-color: #0C0C0C;*/

    display: flex;
    flex-flow: column;
}
.title{
    font-size: 35px;
    color: black;
    text-align: center;
    flex: 1;
    line-height: 80px;
    padding-bottom: 10px;
}
.inputdiv{
    flex: 1;

}
.layui-form-item {
    margin-bottom: 5px;
    clear: both;
    *zoom: 1;
}

.inputdiv label{
    color: black;
    font-size: 20px;
}

#canvas {

    margin-left: 110px;
    width: 101px;
    height: 32px;
    vertical-align: middle;
    box-sizing: border-box;
    /*border: 1px solid #ddd;*/
    cursor: pointer;
    border: 1px solid;
}
